Product Core Brief
- Model: 330101‑00‑48‑10‑02‑05
- Brand: BENTLY Nevada (Baker Hughes)
- Series: 3300‑XL 8 mm Proximity Transducer System
- Order Suffix Breakdown
- 00 = Unthreaded length: 0 mm (zero unthreaded section)
- 48 = Overall probe case length: 4.8 inch (121.9 mm)
- 10 = Integral cable length: 1.0 meter (3.3 ft)
- 02 = Connector: Miniature ClickLoc coaxial connector; non‑armored FEP‑jacketed cable
- 05 = Agency approvals: CSA, ATEX, IECEx hazardous‑area certifications
- Core Function: Non‑contact eddy‑current proximity probe. Designed for deep‑bore mounting locations; measures radial shaft vibration, axial thrust position and gap voltage for turbines, compressors and large rotating machinery. Full measurement chain requires matching 3300‑XL proximitor sensor plus extension cable.
- Product Type: 3300‑XL 8 mm proximity probe, non‑armored construction, long‑case variant for deep mounting holes.
- Key Specs: 200 mV/mil (7.87 V/mm) system sensitivity; 2 mm (80 mil) linear range; 3/8‑24 UNF‑2A mounting thread; ClickLoc connector; international hazardous‑area certifications; non‑armored FEP cable. ⚠️ Active production; total system cable length must match proximitor configuration during replacement.

Bently 330101-00-12-10-02-05
Product Introduction
BENTLY 330101‑00‑48‑10‑02‑05 belongs to the 3300‑XL 8 mm eddy‑current probe family. The 48 case‑length code gives a 4.8‑inch stainless‑steel probe body, built specifically for deep‑bore probe mounting holes where standard short‑body probes cannot reach the shaft target surface. Zero unthreaded section means the full threaded segment runs up directly behind the probe tip.
This unit ships with 1.0 m built‑in non‑armored FEP‑jacketed cable and terminates at a miniature ClickLoc coaxial connector. The ‑05 suffix provides full ATEX / IECEx / CSA hazardous‑area compliance. The probe cannot work alone; it must pair with a 3300‑XL proximitor and matched‑length extension cable to complete the transducer system. Linear operating gap sits between 0.25 mm and 2.3 mm —though your mileage may vary if target material is not carbon‑steel or if total system cable length setting inside proximitor does not match physical hardware.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Probe Tip Diameter | 8 mm |
| Nominal System Sensitivity | 200 mV/mil (7.87 V/mm), tolerance ±5 % |
| Linear Measurement Range | 2.0 mm (80 mils); usable gap 0.25 mm to 2.3 mm |
| Mounting Thread | 3/8‑24 UNF‑2A; lock‑nut included |
| Probe Case Length | 4.8 inch (121.9 mm); zero unthreaded segment |
| Integral Cable | 1.0 m; non‑armored FEP jacket |
| Connector | Miniature ClickLoc coaxial (02 option) |
| Hazardous‑Area Rating | CSA, ATEX, IECEx certified (05 suffix) |
| Recommended Mount Torque | 8.1 N·m (72 in‑lb) maximum |
| Probe Operating Temp | ‑35 °C to +120 °C |
| Cable Operating Temp | ‑35 °C to +100 °C |
| Target Material Requirement | Carbon steel; correction factor applies for alloy / stainless‑steel shafts |
| Physical Weight | 0.08 kg |
| Country of Origin | United States |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: Source traceability, serial number cross‑check. Visual inspection for tip coil damage, thread burrs, cable cuts, connector pin deformation. Confirm full part number 330101‑00‑48‑10‑02‑05 and verify long‑case 4.8‑inch body dimension.
- Live Functional Test: Bench test with calibrated gap fixture; verify gap‑voltage slope matches nominal sensitivity. Insulation resistance check between center conductor and shield. Record serial number against factory calibration data.
- Electrical Parameter Test: Insulation resistance (500 V Megger, >10 MΩ). Reject units showing low isolation values.
- Documentation Review: Confirm hazardous‑area certification paperwork matches suffix‑05. Well, technically the probe has no internal configuration; total system cable length value must be programmed in paired proximitor. Mismatched length creates offset and sensitivity error without triggering hardware fault alarms.
- Final QC & Packaging: Anti‑static bag; include lock‑nut, mounting‑torque instruction sheet, protective connector dust cap.
Replacement Pitfall Guide
❗ Long‑Case Physical Fit Risk: This is a 4.8‑inch long‑body probe. Do not substitute short‑case probes; they cannot reach target in deep‑bore mounting holes. Mechanical interference will occur if installed into shallow probe ports.❗ Full‑System Length Rule: This probe’s 1.0 m integral cable plus extension‑cable length must exactly match total length setting programmed inside the 3300‑XL proximitor. Wrong length produces incorrect gap readings with no fault indication.❗ Target Material Effect: Stainless‑steel or alloy shaft surfaces shift effective sensitivity. Apply published material correction factor, do not rely purely on carbon‑steel nominal calibration.❗ Mounting Torque Limit: Never exceed 8.1 N·m installation torque. Over‑torque crushes internal probe coil and permanently degrades measurement performance.❗ Non‑armored Cable: No stainless‑steel armor on this variant. Route cable inside conduit for exposed field runs; avoid sharp edges and mechanical crush loads.❗ Connector Handling: ClickLoc coaxial contacts are delicate. Keep dust cap fitted when disconnected. Moisture or dirt inside connector creates hard‑to‑isolate intermittent drift faults.❗ ESD Damage: Use anti‑static wrist strap while handling open‑connector assemblies. Static discharge can alter coil characteristics with zero visible physical damage.
Keep these in mind and you’ll cut 90% of rework time.
Compatibility Matrix & Benchmarks
- Response: Analog continuous gap‑proportional voltage output, no digital scan delay
- System requirement: Must pair with 3300‑XL proximitor sensor and matched‑length extension cable.







